<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			.close {
			    position: relative;
			    width: 40px;
			    height: 40px;
			}
			
			.close::before,
			.close::after {
			    position: absolute;
			    content: ' ';
			    background-color: red;
			    left: 20px;
			    width: 1px;
			    height: 40px;
			}
			
			.close::before {
			    transform: rotate(45deg);
			}
			
			.close::after {
			    transform: rotate(-45deg);
			}
		</style>
	</head>
	<body>
		<div class="close"></div>
		
		
	</body>
</html>
